JP2011052020A - 4−ヒドロキシタモキシフェンによる乳房密度低下 - Google Patents
4−ヒドロキシタモキシフェンによる乳房密度低下 Download PDFInfo
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Abstract
【解決手段】 4−ヒドロキシタモキシフェンを含む医薬を経皮投与する。
【選択図】 図1
Description
Kaufman et al., 1993)。
al., 1999)。サンら(Son et al.)は、乳癌手術後に20mg/日のタモキシフェン治療を受けた女性の59.8%で乳房柔組織の減少を認めている。閉経前女性では、サン(Son)らは、87%の低下を認めており、それに対してタモキシフェン投与を受けなかった患者では36%に過ぎず、健常対照被験者ではわずか10%であった。
段階2 段階1とは別に、1,2−ジフェニル−1−ブタノンのヒドロキシル化による1−(4−ヒドロキシフェニル)−2−フェニル−1−ブタノンの形成;
段階3−段階1の生成物と段階2の生成物との間の反応による1−(4−ジメチルアミノエトキシフェニル)−1−[p−2−テトラヒドロピラニルオキシ)フェニル]−2−フェニルブタン−1−オールの形成;
段階4 メタノール/塩酸による脱水によるシスおよびトランス異性体の混合物としての1−[p−(β−ジメチルアミノエトキシ)フェニル]−トランス−1−(p−ヒドロキシフェニル)−2−フェニル−1−ブト−1−エン
=4−OH−タモキシフェンの生成;
段階5 クロマトグラフィーおよび結晶化によるシスおよびトランス異性体の分離による一定の比活性の実現。
vivoで活性化合物をエストロゲン受容体に、好ましくは乳房エストロゲン受容体に送達するどのような製剤および系でも投与することができる。好ましくは、4−ヒドロキシタモキシフェンは「経皮投与」によって投与される。その表現は、患者の皮膚の表面から、角質層、表皮層および真皮層を通って、微小循環に至る薬剤の送達形態を指す。それは典型的には、濃度勾配の下降にそう拡散によって得られる。その拡散は、細胞内浸透(細胞を通って)、細胞間浸透(細胞間で)、経付属器浸透(毛嚢、汗および皮脂腺による)またはそれらのいずれかの組合せを介して生じ得る。
(Lippincott Williams & Wilkins, 2000), pp.836-58; PERCUTANEOUS ABSORPTION:
DRUGS COSMETICS MECHANISMS METHODOLOGY, Bronaugh and Maibach (Marcel Dekker,
1999))。これらの刊行物が明らかにしているように、医薬分野での当業者は、各種の要素および方法を駆使して、効果的な経皮送達を得ることができる。
乳癌患者4名に、12時間〜7日間の所定の間隔で乳房に直接投与することでアルコール溶液での[3H]−4−ヒドロキシタモキシフェンを投与してから、患部組織の摘出手術を行った。手術後、摘出組織と腫瘍周囲の正常乳房組織の両方に放射能が含まれていた(Kuttennetal.,1985)。
この試験では、タモキシフェンの経口投与後の4−ヒドロキシタモキシフェンの組織濃度および血漿濃度と、水性アルコールゲルでの経皮投与後の4−ヒドロキシタモキシフェンの組織濃度と血漿濃度とを比較した(Pujol et al.)。
本試験は、年齢18〜45歳の健常閉経前女性における局所投与4−ヒドロキシタモキシフェンゲルの耐容性および薬物動態を示すものである。各参加者には、2月経周期の期間にわたり、1日1回のゲル投与を行った。
本試験の主目的は、経皮投与した場合に、4−ヒドロキシタモキシフェンが乳房組織のマンモグラフィー密度を効果的に低下させることを示すことにある。
Claims (11)
- 患者が高密度乳房組織を有する状態の治療用の医薬製造における4−ヒドロキシタモキシフェンの使用。
- 前記医薬が経皮投与に好適な形態のものである請求項1に記載の使用。
- 前記高密度乳房組織が拡散的なものである請求項1および2のいずれかに記載の使用。
- 前記高密度乳房組織が結節状である請求項1および2のいずれかに記載の使用。
- 前記4−ヒドロキシタモキシフェンが浸透促進剤を含む媒体に含まれている請求項1〜4のいずれかに記載の使用。
- 前記4−ヒドロキシタモキシフェンがトランス異性体とシス異性体のラセミ体混合物である請求項1〜5のいずれかに記載の使用。
- 前記4−ヒドロキシタモキシフェンがトランス異性体である請求項1〜5のいずれかに記載の使用。
- 前記医薬が、1日当たり約0.5mg/乳房より多い、好ましくは約0.75mg/乳房より多い、さらに好ましくは約1.0mg/乳房より多い4−ヒドロキシタモキシフェンを投与できるような量の4−ヒドロキシタモキシフェンを含む請求項1〜7のいずれかに記載の使用。
- 前記4−ヒドロキシタモキシフェンがアルコール溶液で製剤されている請求項1〜8のいずれかに記載の使用。
- 前記4−ヒドロキシタモキシフェンが水性アルコールゲルで製剤されている請求項1〜8のいずれかに記載の使用。
- 前記水性アルコールゲルがエチルアルコール、ミリスチン酸イソプロピルおよびヒドロキシプロピルセルロースを含む請求項10に記載の使用。
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| JP2018077253A (ja) * | 2014-05-12 | 2018-05-17 | クエスト ダイアグノスティックス インヴェストメンツ インコーポレイテッド | 質量分析によるタモキシフェンおよびその代謝産物の定量化 |
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| US8226972B2 (en) * | 2001-12-20 | 2012-07-24 | Femmepharma Holding Company, Inc. | Vaginal delivery of drugs |
| EP1572178B1 (en) * | 2002-12-18 | 2006-05-03 | Laboratoires Besins International | Treatment of mastalgia with 4-hydroxy tamoxifen |
| MXPA05007266A (es) * | 2003-01-02 | 2006-01-17 | Femmepharma Holding Co Inc | Preparaciones farmaceuticas para tratamientos de enfermedades y trastornos del seno. |
| US9173836B2 (en) | 2003-01-02 | 2015-11-03 | FemmeParma Holding Company, Inc. | Pharmaceutical preparations for treatments of diseases and disorders of the breast |
| ES2483896T3 (es) * | 2003-04-01 | 2014-08-08 | Besins Healthcare Luxembourg Sarl | Prevención y tratamiento de cáncer de seno con 4-hidroxi tamoxifen |
| NZ544031A (en) | 2003-06-09 | 2008-08-29 | Univ Northwestern | Treatment and prevention of excessive scarring with 4-hydroxy tamoxifen |
| US7968532B2 (en) * | 2003-12-15 | 2011-06-28 | Besins Healthcare Luxembourg | Treatment of gynecomastia with 4-hydroxy tamoxifen |
| US7507769B2 (en) * | 2004-03-22 | 2009-03-24 | Laboratoires Besins International | Treatment and prevention of benign breast disease with 4-hydroxy tamoxifen |
| EP1748770B1 (en) * | 2004-03-22 | 2008-04-09 | Laboratoires Besins International | Treatment and prevention of benign breast disease with 4-hydroxy tamoxifen |
| US20050208139A1 (en) * | 2004-03-22 | 2005-09-22 | Ascend Therapeutics, Inc. | Chemically stable compositions of 4-hydroxy tamoxifen |
| EP1579856A1 (en) * | 2004-03-22 | 2005-09-28 | Laboratoires Besins International | Treatment and prevention of benign breast disease with 4-hydroxy tamoxifen |
| DK1799201T3 (da) * | 2004-10-14 | 2009-03-30 | Besins Int Lab | 4-Hydroxy-tamoxifen gelformuleringer |
| EP1647271A1 (en) * | 2004-10-14 | 2006-04-19 | Laboratoires Besins International | 4-Hydroxy tamoxifen gel formulations |
| GB0602739D0 (en) * | 2006-02-10 | 2006-03-22 | Ccbr As | Breast tissue density measure |
| US20080153789A1 (en) * | 2006-12-26 | 2008-06-26 | Femmepharma Holding Company, Inc. | Topical administration of danazol |
| US20100303786A1 (en) * | 2007-11-22 | 2010-12-02 | Novo Nordisk Health Care Ag | Stabilisation of Liquid-Formulated Factor VII(A) Polypeptides by Aldehyde-Containing Compounds |
| US20110003000A1 (en) * | 2009-07-06 | 2011-01-06 | Femmepharma Holding Company, Inc. | Transvaginal Delivery of Drugs |
| US11040019B2 (en) | 2016-08-19 | 2021-06-22 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Services | Selective estrogen-receptor modulators (SERMs) confer protection against photoreceptor degeneration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018077253A (ja) * | 2014-05-12 | 2018-05-17 | クエスト ダイアグノスティックス インヴェストメンツ インコーポレイテッド | 質量分析によるタモキシフェンおよびその代謝産物の定量化 |
| JP2021073450A (ja) * | 2014-05-12 | 2021-05-13 | クエスト ダイアグノスティックス インヴェストメンツ インコーポレイテッド | 質量分析によるタモキシフェンおよびその代謝産物の定量化 |
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| WO2004054558A2 (en) | 2004-07-01 |
| EP2050443A1 (en) | 2009-04-22 |
| US7485623B2 (en) | 2009-02-03 |
| AU2003296757A1 (en) | 2004-07-09 |
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